Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 16/RN 4/RN 1/RN 64/RN 16/RN 4/RN 1/RN 64/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Differential manometer is used to measure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low pressure Difference of pressure between two points Pressure in pipes, channels etc. Atmospheric pressure Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) 0.5v²/2g 0.375v²/2g v²/2g 0.75v²/2g 0.5v²/2g 0.375v²/2g v²/2g 0.75v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency Causes noise and vibration of various parts All of these Reduces the discharge of a turbine Causes sudden drop in power output and efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following is an incorrect statement ? Coefficient of contraction of a venturimeter is unity Flow nozzle is cheaper than venturimeter but has higher energy loss Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined None of these Coefficient of contraction of a venturimeter is unity Flow nozzle is cheaper than venturimeter but has higher energy loss Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined None of these ANSWER DOWNLOAD EXAMIANS APP
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